Lasallea ×amethystina (Nuttall) Semple & Brouillet
Lasallea ×amethystina (Nuttall) Semple & Brouillet is a synonym sensu TROPICOS of:
Symphyotrichum ×amethystinum (Nuttall) G.L. Nesom, an accepted species name sensu FNA Ed. Comm., 2006b.
Lasallea ×amethystina (Nuttall) Semple & Brouillet is a synonym sensu TROPICOS of:
Symphyotrichum ×amethystinum (Nuttall) G.L. Nesom, an accepted species name sensu FNA Ed. Comm., 2006b.